Keyword Analysis & Research: when did gas lights become common

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
when did gas lights become common	0.63	0.2	5696	92	33
when	1.54	0.8	6620	28	4
did	1.99	0.9	6493	47	3
gas	1.43	0.5	7207	23	3
lights	1.69	0.1	513	100	6
become	1.2	0.2	2841	74	6
common	0.94	0.5	7879	11	6

Keyword	CPC	PCC	Volume	Score
when did gas lights become common	1.39	0.2	6805	9